Determination of phase-shift from two fringe patterns using windowed Fourier ridges

Kemao Qian; Hock Soon Seah; Anand Asundi

doi:10.1117/12.621484

12 April 2005 Determination of phase-shift from two fringe patterns using windowed Fourier ridges

Kemao Qian, Hock Soon Seah, Anand Asundi

Author Affiliations +

Proceedings Volume 5852, Third International Conference on Experimental Mechanics and Third Conference of the Asian Committee on Experimental Mechanics; (2005) https://doi.org/10.1117/12.621484
Event: Third International Conference on Experimental Mechanics and Third Conference of the Asian Committee on Experimental Mechanics, 2004, -, Singapore

Abstract

In phase-shifting interferometry, it is important yet difficult to determine the phase-shift accurately. A windowed Fourier ridges approach is proposed which is able to obtain the phase-shift from two consecutive fringe patterns.

Citation Download Citation

Kemao Qian, Hock Soon Seah, and Anand Asundi "Determination of phase-shift from two fringe patterns using windowed Fourier ridges", Proc. SPIE 5852, Third International Conference on Experimental Mechanics and Third Conference of the Asian Committee on Experimental Mechanics, (12 April 2005); https://doi.org/10.1117/12.621484

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